De Silva, P.T.Talwatte, S.N.B.Burhan, M.N.Wedisinghe, M.P.2016-01-142016-01-141976The Ceylon Medical Journal, 21(4)pp.232-238https://dl.nsf.gov.lk/handle/1/20551Medical SciencesGastroenterologyDigestive system diseasesDysenteryTherapeuticsSurgerySigmoidoscopyArticle